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	hartrees
Energy at 0K	-409.902351
Energy at 298.15K
HF Energy	-409.902351
Nuclear repulsion energy	239.768975

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A_g	1499	1439	0.00	16.99	0.50	0.66
2	A_g	873	838	0.00	14.04	0.12	0.22
3	A_g	322	309	0.00	33.12	0.32	0.48
4	A_u	97	93	0.00	0.00	0.00	0.00
5	B_1u	1367	1312	483.51	0.00	0.00	0.00
6	B_1u	795	763	252.46	0.00	0.00	0.00
7	B_2g	721	692	0.00	0.50	0.75	0.86
8	B_2u	1922	1844	705.17	0.00	0.00	0.00
9	B_2u	251	241	0.23	0.00	0.00	0.00
10	B_3g	1888	1812	0.00	5.79	0.75	0.86
11	B_3g	530	509	0.00	9.73	0.75	0.86
12	B_3u	464	445	16.72	0.00	0.00	0.00

Atom	y (Å)	z (Å)
N1	0.000	0.875
N2	0.000	-0.875
O3	1.090	1.328
O4	-1.090	1.328
O5	1.090	-1.328
O6	-1.090	-1.328

	N1	N2	O3	O4	O5	O6
N1		1.7504	1.1801	1.1801	2.4581	2.4581
N2	1.7504		2.4581	2.4581	1.1801	1.1801
O3	1.1801	2.4581		2.1796	2.6562	3.4360
O4	1.1801	2.4581	2.1796		3.4360	2.6562
O5	2.4581	1.1801	2.6562	3.4360		2.1796
O6	2.4581	1.1801	3.4360	2.6562	2.1796

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	N2	O5	112.566	N1	N2	O6	112.566
N2	N1	O3	112.566	N2	N1	O4	112.566
O3	N1	O4	134.868	O5	N2	O6	134.868

All results from a given calculation for N₂O₄ (Dinitrogen tetroxide)

using model chemistry: HSEh1PBE/6-311G*

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Number	Element	Mulliken
1	N	0.370
2	N	0.370
3	O	-0.185
4	O	-0.185
5	O	-0.185
6	O	-0.185

<r²>	125.786
(<r²>)^1/2	11.215

All results from a given calculation for N2O4 (Dinitrogen tetroxide)

using model chemistry: HSEh1PBE/6-311G*

States and conformations

All results from a given calculation for N₂O₄ (Dinitrogen tetroxide)